Pseudemys rubriventris vs red-bellied terrapin

Pseudemys rubriventris and red-bellied terrapin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pseudemys rubriventris	Yes	No	No	No
red-bellied terrapin	Yes	No	No	No

As nouns, Pseudemys rubriventris and red-bellied terrapin are synonyms defined as:

Pseudemys rubriventris and red-bellied terrapin: freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell

Other synonyms of Pseudemys rubriventris include red-bellied turtle, redbelly.

Pseudemys rubriventris (noun)	red-bellied terrapin (noun)
freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell	freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell